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RP517 Series
0.3V Low Output Voltage Low Quiescent Current 300mA Buck DC/DC Converter
RP517 is a low-voltage resistance buck DC/DC converter featuring ultra-low 0.3 µA quiescent current and 0.3 V output voltage. Suitable for wearable and IoT devices which require long-life batteries and downsizing.
- Ultra-low consumption current (IQ: 0.3 µA) with the VFM control for DC/DC (switching frequency: 1 MHz max.)
- Suitable for low power devices due to its ultra-low output voltage range from 0.3 V to 1.2 V
- Suitable for coin batteries and USB ports due to its wide input range from 1.8 V to 5.5 V
- Selectable 3 packages: WLCSP, DFN and SOT. Suitable for IC cards due to WLCSP’s thickness of 0.4 mm and less.
Specs & Datasheets
| Consumer | |
|---|---|
| Input Voltage Range | 1.8 V to 5.5 V (6.5 V) |
| Operating Temperature Range | -40°C to 85°C (125°C) |
| Standby Current | Typ. 0.01 µA |
| Operating Quiescent Current | Typ. 0.3 µA |
| Output Voltage Range | 0.3 V to 1.2 V (0.1 V step) |
| Output Voltage Accuracy | ±18 mV (Ta = 25°C) |
| Output Current | 300 mA |
| Oscillator Frequency | Typ. 1 MHz |
| Maximum Duty Cycle | Typ. PMOS 0.15 Ω, NMOS 0.15 Ω (RP517Z) |
| Package | WLCSP-8-P1, DFN(PLP)2527-10, SOT-89-5 |
Protections / Functions
| TSD | ILX | OCP | OVP | UVLO | OVLO | Reverse | Shutdown | Soft Start | SSCG | PGOOD | Auto Discharge | Anti-ringing | Sequencing | Max Duty | Ext. Phase | LED Adjust |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 |
|
|
|
Technical Documents
Typical Application
Efficiency vs. Output Current (VOUT = 0.5 V)
Introduction Video
Quality & Packages
| Product Name | Compatibility | Package | Marking | Reliability |
|---|---|---|---|---|
| RP517Zxx1x-TR-F |
|
WLCSP-8-P1 | RP517Z | RP517Z-F |
| RP517Kxx1x-TR |
|
DFN(PLP)2527-10 | RP517K | RP517K |
| RP517Hxx1x-T1-FE |
|
SOT-89-5 | RP517H | RP517H-FE |
C
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Refer to the datasheets for the details on the product.
The package file includes package dimensions, taping specifications, taping reels dimensions, power dissipations, and recommended land pattern.
Please contact us or our distributors for unpublished reliability information.
Sample / Buy
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Authorized Distributors
Please contact your local distributors for any sales-related inquiry such as price, stock, delivery, etc.
Functional Description
| TSD | Thermal Shutdown Function |
|---|---|
| ILX | LX Current Limit Function |
| OCP | Overcurrent Protection |
| OVP | Overvoltage Protection |
| UVLO | Undervoltage Lockout Protection |
| OVLO | Overvoltage Lockout Protection |
| Reverse | Reverse Current Protection Circuit |
| Shutdown | Shutdown Function |
| Soft Start | Soft Start Function |
| SSCG | Spread Spectrum Clock Generator Function |
| PGOOD | Power Good Output |
| Auto Discharge | Auto Discharge Function |
| Anti-ringing | Anti-ringing Switch Function |
| Sequencing | Start-up Sequencing Control |
| Max Duty | Maximum Duty Cycle |
| Ext. Phase | Externally Adjustable Phase Compensation |
| LED Adjust | LED High-speed Dimming Control |